OK, let's crack this. We're given 910 and our task is to multiply it by 380. Essentially, we'll be adding 910 to itself 380 times.
Step 1: 0 + 910 = 910
Step 2: 910 + 910 = 1820
Step 3: 1820 + 910 = 2730
Step 4: 2730 + 910 = 3640
Step 5: 3640 + 910 = 4550
Step 6: 4550 + 910 = 5460
Step 7: 5460 + 910 = 6370
Step 8: 6370 + 910 = 7280
Step 9: 7280 + 910 = 8190
Step 10: 8190 + 910 = 9100
Step 11: 9100 + 910 = 10010
Step 12: 10010 + 910 = 10920
Step 13: 10920 + 910 = 11830
Step 14: 11830 + 910 = 12740
Step 15: 12740 + 910 = 13650
Step 16: 13650 + 910 = 14560
Step 17: 14560 + 910 = 15470
Step 18: 15470 + 910 = 16380
Step 19: 16380 + 910 = 17290
Step 20: 17290 + 910 = 18200
Step 21: 18200 + 910 = 19110
Step 22: 19110 + 910 = 20020
Step 23: 20020 + 910 = 20930
Step 24: 20930 + 910 = 21840
Step 25: 21840 + 910 = 22750
Step 26: 22750 + 910 = 23660
Step 27: 23660 + 910 = 24570
Step 28: 24570 + 910 = 25480
Step 29: 25480 + 910 = 26390
Step 30: 26390 + 910 = 27300
Step 31: 27300 + 910 = 28210
Step 32: 28210 + 910 = 29120
Step 33: 29120 + 910 = 30030
Step 34: 30030 + 910 = 30940
Step 35: 30940 + 910 = 31850
Step 36: 31850 + 910 = 32760
Step 37: 32760 + 910 = 33670
Step 38: 33670 + 910 = 34580
Step 39: 34580 + 910 = 35490
Step 40: 35490 + 910 = 36400
Step 41: 36400 + 910 = 37310
Step 42: 37310 + 910 = 38220
Step 43: 38220 + 910 = 39130
Step 44: 39130 + 910 = 40040
Step 45: 40040 + 910 = 40950
Step 46: 40950 + 910 = 41860
Step 47: 41860 + 910 = 42770
Step 48: 42770 + 910 = 43680
Step 49: 43680 + 910 = 44590
Step 50: 44590 + 910 = 45500
Step 51: 45500 + 910 = 46410
Step 52: 46410 + 910 = 47320
Step 53: 47320 + 910 = 48230
Step 54: 48230 + 910 = 49140
Step 55: 49140 + 910 = 50050
Step 56: 50050 + 910 = 50960
Step 57: 50960 + 910 = 51870
Step 58: 51870 + 910 = 52780
Step 59: 52780 + 910 = 53690
Step 60: 53690 + 910 = 54600
Step 61: 54600 + 910 = 55510
Step 62: 55510 + 910 = 56420
Step 63: 56420 + 910 = 57330
Step 64: 57330 + 910 = 58240
Step 65: 58240 + 910 = 59150
Step 66: 59150 + 910 = 60060
Step 67: 60060 + 910 = 60970
Step 68: 60970 + 910 = 61880
Step 69: 61880 + 910 = 62790
Step 70: 62790 + 910 = 63700
Step 71: 63700 + 910 = 64610
Step 72: 64610 + 910 = 65520
Step 73: 65520 + 910 = 66430
Step 74: 66430 + 910 = 67340
Step 75: 67340 + 910 = 68250
Step 76: 68250 + 910 = 69160
Step 77: 69160 + 910 = 70070
Step 78: 70070 + 910 = 70980
Step 79: 70980 + 910 = 71890
Step 80: 71890 + 910 = 72800
Step 81: 72800 + 910 = 73710
Step 82: 73710 + 910 = 74620
Step 83: 74620 + 910 = 75530
Step 84: 75530 + 910 = 76440
Step 85: 76440 + 910 = 77350
Step 86: 77350 + 910 = 78260
Step 87: 78260 + 910 = 79170
Step 88: 79170 + 910 = 80080
Step 89: 80080 + 910 = 80990
Step 90: 80990 + 910 = 81900
Step 91: 81900 + 910 = 82810
Step 92: 82810 + 910 = 83720
Step 93: 83720 + 910 = 84630
Step 94: 84630 + 910 = 85540
Step 95: 85540 + 910 = 86450
Step 96: 86450 + 910 = 87360
Step 97: 87360 + 910 = 88270
Step 98: 88270 + 910 = 89180
Step 99: 89180 + 910 = 90090
Step 100: 90090 + 910 = 91000
Step 101: 91000 + 910 = 91910
Step 102: 91910 + 910 = 92820
Step 103: 92820 + 910 = 93730
Step 104: 93730 + 910 = 94640
Step 105: 94640 + 910 = 95550
Step 106: 95550 + 910 = 96460
Step 107: 96460 + 910 = 97370
Step 108: 97370 + 910 = 98280
Step 109: 98280 + 910 = 99190
Step 110: 99190 + 910 = 100100
Step 111: 100100 + 910 = 101010
Step 112: 101010 + 910 = 101920
Step 113: 101920 + 910 = 102830
Step 114: 102830 + 910 = 103740
Step 115: 103740 + 910 = 104650
Step 116: 104650 + 910 = 105560
Step 117: 105560 + 910 = 106470
Step 118: 106470 + 910 = 107380
Step 119: 107380 + 910 = 108290
Step 120: 108290 + 910 = 109200
Step 121: 109200 + 910 = 110110
Step 122: 110110 + 910 = 111020
Step 123: 111020 + 910 = 111930
Step 124: 111930 + 910 = 112840
Step 125: 112840 + 910 = 113750
Step 126: 113750 + 910 = 114660
Step 127: 114660 + 910 = 115570
Step 128: 115570 + 910 = 116480
Step 129: 116480 + 910 = 117390
Step 130: 117390 + 910 = 118300
Step 131: 118300 + 910 = 119210
Step 132: 119210 + 910 = 120120
Step 133: 120120 + 910 = 121030
Step 134: 121030 + 910 = 121940
Step 135: 121940 + 910 = 122850
Step 136: 122850 + 910 = 123760
Step 137: 123760 + 910 = 124670
Step 138: 124670 + 910 = 125580
Step 139: 125580 + 910 = 126490
Step 140: 126490 + 910 = 127400
Step 141: 127400 + 910 = 128310
Step 142: 128310 + 910 = 129220
Step 143: 129220 + 910 = 130130
Step 144: 130130 + 910 = 131040
Step 145: 131040 + 910 = 131950
Step 146: 131950 + 910 = 132860
Step 147: 132860 + 910 = 133770
Step 148: 133770 + 910 = 134680
Step 149: 134680 + 910 = 135590
Step 150: 135590 + 910 = 136500
Step 151: 136500 + 910 = 137410
Step 152: 137410 + 910 = 138320
Step 153: 138320 + 910 = 139230
Step 154: 139230 + 910 = 140140
Step 155: 140140 + 910 = 141050
Step 156: 141050 + 910 = 141960
Step 157: 141960 + 910 = 142870
Step 158: 142870 + 910 = 143780
Step 159: 143780 + 910 = 144690
Step 160: 144690 + 910 = 145600
Step 161: 145600 + 910 = 146510
Step 162: 146510 + 910 = 147420
Step 163: 147420 + 910 = 148330
Step 164: 148330 + 910 = 149240
Step 165: 149240 + 910 = 150150
Step 166: 150150 + 910 = 151060
Step 167: 151060 + 910 = 151970
Step 168: 151970 + 910 = 152880
Step 169: 152880 + 910 = 153790
Step 170: 153790 + 910 = 154700
Step 171: 154700 + 910 = 155610
Step 172: 155610 + 910 = 156520
Step 173: 156520 + 910 = 157430
Step 174: 157430 + 910 = 158340
Step 175: 158340 + 910 = 159250
Step 176: 159250 + 910 = 160160
Step 177: 160160 + 910 = 161070
Step 178: 161070 + 910 = 161980
Step 179: 161980 + 910 = 162890
Step 180: 162890 + 910 = 163800
Step 181: 163800 + 910 = 164710
Step 182: 164710 + 910 = 165620
Step 183: 165620 + 910 = 166530
Step 184: 166530 + 910 = 167440
Step 185: 167440 + 910 = 168350
Step 186: 168350 + 910 = 169260
Step 187: 169260 + 910 = 170170
Step 188: 170170 + 910 = 171080
Step 189: 171080 + 910 = 171990
Step 190: 171990 + 910 = 172900
Step 191: 172900 + 910 = 173810
Step 192: 173810 + 910 = 174720
Step 193: 174720 + 910 = 175630
Step 194: 175630 + 910 = 176540
Step 195: 176540 + 910 = 177450
Step 196: 177450 + 910 = 178360
Step 197: 178360 + 910 = 179270
Step 198: 179270 + 910 = 180180
Step 199: 180180 + 910 = 181090
Step 200: 181090 + 910 = 182000
Step 201: 182000 + 910 = 182910
Step 202: 182910 + 910 = 183820
Step 203: 183820 + 910 = 184730
Step 204: 184730 + 910 = 185640
Step 205: 185640 + 910 = 186550
Step 206: 186550 + 910 = 187460
Step 207: 187460 + 910 = 188370
Step 208: 188370 + 910 = 189280
Step 209: 189280 + 910 = 190190
Step 210: 190190 + 910 = 191100
Step 211: 191100 + 910 = 192010
Step 212: 192010 + 910 = 192920
Step 213: 192920 + 910 = 193830
Step 214: 193830 + 910 = 194740
Step 215: 194740 + 910 = 195650
Step 216: 195650 + 910 = 196560
Step 217: 196560 + 910 = 197470
Step 218: 197470 + 910 = 198380
Step 219: 198380 + 910 = 199290
Step 220: 199290 + 910 = 200200
Step 221: 200200 + 910 = 201110
Step 222: 201110 + 910 = 202020
Step 223: 202020 + 910 = 202930
Step 224: 202930 + 910 = 203840
Step 225: 203840 + 910 = 204750
Step 226: 204750 + 910 = 205660
Step 227: 205660 + 910 = 206570
Step 228: 206570 + 910 = 207480
Step 229: 207480 + 910 = 208390
Step 230: 208390 + 910 = 209300
Step 231: 209300 + 910 = 210210
Step 232: 210210 + 910 = 211120
Step 233: 211120 + 910 = 212030
Step 234: 212030 + 910 = 212940
Step 235: 212940 + 910 = 213850
Step 236: 213850 + 910 = 214760
Step 237: 214760 + 910 = 215670
Step 238: 215670 + 910 = 216580
Step 239: 216580 + 910 = 217490
Step 240: 217490 + 910 = 218400
Step 241: 218400 + 910 = 219310
Step 242: 219310 + 910 = 220220
Step 243: 220220 + 910 = 221130
Step 244: 221130 + 910 = 222040
Step 245: 222040 + 910 = 222950
Step 246: 222950 + 910 = 223860
Step 247: 223860 + 910 = 224770
Step 248: 224770 + 910 = 225680
Step 249: 225680 + 910 = 226590
Step 250: 226590 + 910 = 227500
Step 251: 227500 + 910 = 228410
Step 252: 228410 + 910 = 229320
Step 253: 229320 + 910 = 230230
Step 254: 230230 + 910 = 231140
Step 255: 231140 + 910 = 232050
Step 256: 232050 + 910 = 232960
Step 257: 232960 + 910 = 233870
Step 258: 233870 + 910 = 234780
Step 259: 234780 + 910 = 235690
Step 260: 235690 + 910 = 236600
Step 261: 236600 + 910 = 237510
Step 262: 237510 + 910 = 238420
Step 263: 238420 + 910 = 239330
Step 264: 239330 + 910 = 240240
Step 265: 240240 + 910 = 241150
Step 266: 241150 + 910 = 242060
Step 267: 242060 + 910 = 242970
Step 268: 242970 + 910 = 243880
Step 269: 243880 + 910 = 244790
Step 270: 244790 + 910 = 245700
Step 271: 245700 + 910 = 246610
Step 272: 246610 + 910 = 247520
Step 273: 247520 + 910 = 248430
Step 274: 248430 + 910 = 249340
Step 275: 249340 + 910 = 250250
Step 276: 250250 + 910 = 251160
Step 277: 251160 + 910 = 252070
Step 278: 252070 + 910 = 252980
Step 279: 252980 + 910 = 253890
Step 280: 253890 + 910 = 254800
Step 281: 254800 + 910 = 255710
Step 282: 255710 + 910 = 256620
Step 283: 256620 + 910 = 257530
Step 284: 257530 + 910 = 258440
Step 285: 258440 + 910 = 259350
Step 286: 259350 + 910 = 260260
Step 287: 260260 + 910 = 261170
Step 288: 261170 + 910 = 262080
Step 289: 262080 + 910 = 262990
Step 290: 262990 + 910 = 263900
Step 291: 263900 + 910 = 264810
Step 292: 264810 + 910 = 265720
Step 293: 265720 + 910 = 266630
Step 294: 266630 + 910 = 267540
Step 295: 267540 + 910 = 268450
Step 296: 268450 + 910 = 269360
Step 297: 269360 + 910 = 270270
Step 298: 270270 + 910 = 271180
Step 299: 271180 + 910 = 272090
Step 300: 272090 + 910 = 273000
Step 301: 273000 + 910 = 273910
Step 302: 273910 + 910 = 274820
Step 303: 274820 + 910 = 275730
Step 304: 275730 + 910 = 276640
Step 305: 276640 + 910 = 277550
Step 306: 277550 + 910 = 278460
Step 307: 278460 + 910 = 279370
Step 308: 279370 + 910 = 280280
Step 309: 280280 + 910 = 281190
Step 310: 281190 + 910 = 282100
Step 311: 282100 + 910 = 283010
Step 312: 283010 + 910 = 283920
Step 313: 283920 + 910 = 284830
Step 314: 284830 + 910 = 285740
Step 315: 285740 + 910 = 286650
Step 316: 286650 + 910 = 287560
Step 317: 287560 + 910 = 288470
Step 318: 288470 + 910 = 289380
Step 319: 289380 + 910 = 290290
Step 320: 290290 + 910 = 291200
Step 321: 291200 + 910 = 292110
Step 322: 292110 + 910 = 293020
Step 323: 293020 + 910 = 293930
Step 324: 293930 + 910 = 294840
Step 325: 294840 + 910 = 295750
Step 326: 295750 + 910 = 296660
Step 327: 296660 + 910 = 297570
Step 328: 297570 + 910 = 298480
Step 329: 298480 + 910 = 299390
Step 330: 299390 + 910 = 300300
Step 331: 300300 + 910 = 301210
Step 332: 301210 + 910 = 302120
Step 333: 302120 + 910 = 303030
Step 334: 303030 + 910 = 303940
Step 335: 303940 + 910 = 304850
Step 336: 304850 + 910 = 305760
Step 337: 305760 + 910 = 306670
Step 338: 306670 + 910 = 307580
Step 339: 307580 + 910 = 308490
Step 340: 308490 + 910 = 309400
Step 341: 309400 + 910 = 310310
Step 342: 310310 + 910 = 311220
Step 343: 311220 + 910 = 312130
Step 344: 312130 + 910 = 313040
Step 345: 313040 + 910 = 313950
Step 346: 313950 + 910 = 314860
Step 347: 314860 + 910 = 315770
Step 348: 315770 + 910 = 316680
Step 349: 316680 + 910 = 317590
Step 350: 317590 + 910 = 318500
Step 351: 318500 + 910 = 319410
Step 352: 319410 + 910 = 320320
Step 353: 320320 + 910 = 321230
Step 354: 321230 + 910 = 322140
Step 355: 322140 + 910 = 323050
Step 356: 323050 + 910 = 323960
Step 357: 323960 + 910 = 324870
Step 358: 324870 + 910 = 325780
Step 359: 325780 + 910 = 326690
Step 360: 326690 + 910 = 327600
Step 361: 327600 + 910 = 328510
Step 362: 328510 + 910 = 329420
Step 363: 329420 + 910 = 330330
Step 364: 330330 + 910 = 331240
Step 365: 331240 + 910 = 332150
Step 366: 332150 + 910 = 333060
Step 367: 333060 + 910 = 333970
Step 368: 333970 + 910 = 334880
Step 369: 334880 + 910 = 335790
Step 370: 335790 + 910 = 336700
Step 371: 336700 + 910 = 337610
Step 372: 337610 + 910 = 338520
Step 373: 338520 + 910 = 339430
Step 374: 339430 + 910 = 340340
Step 375: 340340 + 910 = 341250
Step 376: 341250 + 910 = 342160
Step 377: 342160 + 910 = 343070
Step 378: 343070 + 910 = 343980
Step 379: 343980 + 910 = 344890
Step 380: 344890 + 910 = 345800

So, 910*380 = 345800